Planoqraph co



J. D. SHARPLES AND T. CROWE.

BOBBIN STRIPPING MACHINE.

APPLICATION FILED DEC.5, 19111.

1,309,818. Patented J111y15,1919.

3 SHEETSSHEET l.

. l in I// 5 J. D. SHARPLES AND T. CROWE.

BOBB IN STRIPPING MACHINE.

APPLICATION FILED DEC-5,19IB.

Patented July 15, 1919.

3 SHEETS-SHEET 2.

J. D. SHARPLES AND T. CROWE.

BOBBIN STHIPPING MACHINE.

APPLICATION FILED DEC.5,1918.

Patented July 15,1919.

3 SHEETSSHEET 3 WASHINGTON. u. c.

IE STATS T1 FICE.

JOHN D. SHARPLES AND THOMAS CROWE, OF TAF'IVILLE, CONNECTICUT, A'SSIGNORS T0 OLD COLONY MACHINE COMPANY, OF NEW BEDFORD, MASSACHUSETTS, A COR- PORATION OF MASSACHUSETTS.

BOBBIN-STRIPPING MACHINE.

Specification of Letters Patent.

Patented July 15, 1919.

Application filed December 5, 1918. Serial No. 265,362.

tion, reference being bad to the accompanying drawings, forming part thereof.

7 This. inv'entlon has reference to improvements in bobbin stripping machines in which bobbins having on their shafts tail ends of roving or yarn can be continuously fed forward and the coils of said rovlng or yarn severed without injury to the bobbins and particularly without injury to the heads or other projecting beads or members of said bobbins.

One object of the invention is to provide a bobbin stripping machine, of the nature herein described, with a yarn or roving severing device and a bobbin guide adapted to yield to avoid injury of the bobbin head or other projections whereby the spent bobbins may be positively supported at and, adjacent to the roving severing point and, at the same time, the spent bobbins can be fed forward continuously past the severing point.

Another object of the invention is to pro vide an improved yarn severing device nor mally guarded and having means to raise the coils of roving or yarn from the shaft of the bobbin.

Another object of the invention is to provide a new and improved yarn severing device.

Othcr obj ects of the invention will appear from the following description.

The invention consists in the roving or yarn severing mechanism and the bobbin guide mounted to swing relative to the bobbin feeding or carrying belt.

The invention also consists in such other novel features of construction and combination of parts as shall hereinafter be more fully described and pointed out in the claims.

Figure 1, represents a front elevation of the frame of the improved bobbin stripping machine with some of the more important parts of the roving severing mechanism.

Fig. 2, represents an enlarged plan view of parts of the same.

Fig. 3, represents a sectional view taken on line 33 Fig. 2, the bobbin being shown as approaching the roving severing position.

Figs. 4 and 5, represent views similar to Fig. 3. In Fig. 4 the spent bobbin is shown in position. where the yarn severing member or knife will act 'on the coils of roving on the shaftof the bobbin, the head of the bobbin having. cleared such point. In Fig. 5 the bobbin shaftis shown to have passed by the yarn severing point andthe severing device and, its frame have been swung to avoid injuryito the head at the endof the bobbin by the yarn severing member.

Fig. 6,.represents a sectional view taken.

on line ,66, Fig. 2, a bobbin being shown in position. r

Fig. 7', represents a perspective view of the yarn severing member and a portion of its shaft.

Fig. 8, represents a detail view, partly in section, showing the relation of the guard and its fingeras the bobbin advances from the position shown in Fig- 3.

Similar characters of reference designate corresponding parts throughout.

In the embodiment of the invention shown in the drawings, the frame members 9, 9 and 10 respectively support and brace the parallel members. 11, 12, which are so spaced apart that a runway is provided for the belt 13 having the projections 14, 1 1. Belt 13.

is mounted on the pulleys 15 and 16, the shafts'of which are jo-urnaled in bearings located at the respective end portions of the runway wall members 11 and. 12. Pulley 15 has the pulley 17 which is driven by the belt 18 from the pulley '19, having its shaft journaled inbearings mounted, on frame member 10, such shaft of pulley 19 having the pulley 20 which is driven by the belt 21 operated-by pulley 22 of the main shaft 23.

This latter shaft is journaled in bearings sustained by the frame member 10 and is operated in any known manner to accomplishthe driving of the bobbin feeding belt 13, through the power transmitting means just above described, and the yarn severing member by power transmitted by pulley 24,

of shaft, 23., and its belt 25 as will hereafter well known means may be used to sup-port the bobbins B, B or the belt 13, during the yarn severing operation, 'we prefer to positively sustain the belt 13 by means of the table 26. This table is free to slide vertically between the frame members 11 and 12 and jhas the slots 27 27 in which are located came 28, 28 mounted on shafts 29, 29 journaled in bearings of said frame members 11 and 12 and having the levers 30, 30. By means of which levers said 'shafts-29,29 and their cams 28, 28 may be rotated whereby said cams acting on the walls of said slots 27, 27 may efiect the vertical adjustment of said table 26 to bring or support belt 13, and bobbins B, B, of any particular diameter or size, on said belt toposition for thesevering operation. j

v Mounted on the frame member '12 is the bracket 31 having the bearing 32 in which is journaled the shaft 33 having the pulleys 34 and 35 which latter is driven by belt 25.

On bearing 32'is mounted the rocker-bearing 36, from which extends the ears 37, 37 and the arm 38 the latter having at its free end the member '39 carrying the sleeves 40 and 41, which extend across the runway between the frame members 11 and 12 and respectively may rest on said members 11 and 12 at times. The under wall of arm 38, as shown in end view in 6, is adapted to receive the upper wall of the guide 42 the under walls of which diverge from its longitudinal median j line. the upwardly extending member 43 which is pivotally sustained between the ears 37, 37 of bearing 36, and adjacent the free end of said guide 42 is the post 44 which extends through a perforation in arm 38 and has the transverse pin 45 against which the coiled spring 46, carried by the member 47 of said arm 38, acts to move the free end of said guide 42 away, downward, from arm 38, as shown in Fig. ,5.

Sleeve 40 has the projections 48, 48, with which the rod 49 is engaged. This rod 49 extends downward through a perforation in the frame member 12 and has the spring 50 which bears against a surface of said member '12 to resist the upward swinging movement of sleeve 40 and its arm 38.

In sleeve 40 is fixedly secured the tubular shaft 51 which extends beyond the inner end of said sleeve 40 and has at its inner end the enlargement 52 having at its lower portion the hook or member 53 adapted to engage the coils of roving on abobbin brought into contact therewith whereby, in the continued movement of said bobbin, said coils of roving may ride up the inclined portion of said hook 53 and thereby become separated from the surface of the bobbin to permit such raised coils to be severed without bringing the bobbin into contact with said severing device.

One end of this guide 42 has- The severing device comprises the hexagonal cutter member 54 the several'cutting edges 55, 55 of which are beveled from the axis of member 54 whereby, in the rotation of said member 54 a succession of shearing operations may be effected by said edges 55 as indicated in Fig. 8. Severing member 54 is mounted on shaft 56 which is journaled in sleeve 51 and at its outer end has the pulley 57 which is driven by belt 58 from pulley 34. V

In the bore of sleeve 41 is secured the stud 58 having the spindle 59 of smaller diameter than said stud 58. On said spindle 59 is journaled the collar 60 which is fixed at one end of coiled spring 61, the other end of said spring being secured to said stud 58'.

On the sleeve 51 is'journ'aled the collar 62 and said collars '60 and 62 are connected with guard plate 63 havingtheprojecting' finger or lever member 64 through the swinging of which ,said guard plate 63 and its bearing collars 60, 62 may be rotated against the action of spring 61.

Bobbins B, B referred to 'herein'usually' have the heads "H, H and the shafts S carrying the coils C, C of roving or yarn adapted to be severed by the member 54 of this machine. Some of the bobbin shafts S, at their ends, have the beads b, injury to which by the coil raising hook or member 53 should be prevented. To this end provision ismade to swing upward the free end of arm 38' carrying the coil raising member 53. Such provision, as shown herein, comprises the lever 65 pivotally sustained in the bracket 66 which is mounted on frame member 12, one arm of said lever 65 being engaged beneath the projection 48 of bearing 40, of

arm 38. On said frame member 12 is also mounted the bracket 67 carrying the pivoted actuator lever 68 which at one end has the adjustable screw 69 adapted, in its 'downward movement, to act on lever 65 to eflect the swinging of said lever 65, while the forward end of said actuator lever 68 has the longitudinal slot 70 in which the clamping screw means 71 of the cam block 72 is adjustable. Cam block 72 is positioned in the path of the bobbins B, B and is adapted to beacted upon by the heads H'of said bobbins. Adjustment of such cam block 72 by moving the clamping means 71 along slot 70 is to position said block'72 relative to the length of the bobbins B, B, to be operated on in this machine whereby when the head H of a bobbin acts on said cam block 72 the bead b at the rear end of said bobbin is approaching the coil lifting device or hook 53. The bobbin head H passing beneath said cam block 72 effects the lifting of said block swinging of arm 38 and, with it, the coil raising member 53 to the position shown in Fig. 5 whereby member 53 clears the bobbin bead 6.

Attention is called to the peripheral or lower curved edge of member 53 in its relationto the curve at the rear of the bobbin head H as shown in Fig. 4. It will be seen that said outer edge of member 53 rides on or contacts with the surface of the bobbin so that the point of member 53 may engage beneath coils C located close to the bobbin head and said riding or contact of the outer edge of member 53 with the shaft of the bobbin may continue until the bead 6 approaches said member 53, if the bobbin has such bead, the coils C of roving or yarn in succession riding up the inclined edge of said member 53.

Operation of the machine will be readily understood from the drawings as described above. Bobbins having tail ends of roving or other yarn are fed into the runway between frame members 11 and 12 by means of the chute 75 or in any other usual manner with their heads H directed forward as shown. As the bobbins are received by the belt 13 they are, in succession, engaged by the projections 14 of said belt 13 and carried forward whereby during the operation of the machine a series of bobbins is constantly advancing toward and past the bobbin stripping position, that is, the operation of the machine is continuous as distinguished from intermittent and the bobbin stripping or yarn severing mechanism must accommodate itself to' and cooperate with such continuous feeding movement of the series of bobbins whereby as one bobbin passes the severing position another bobbin approaches said position.

The rear portion of guide 42 having the pivoted lip 01'' tongue 43 is sustained above the belt 13 to readily receive the head H of a bobbin carried by said belt, which latter is supported 'by the table 26. As the bobbin is moved. forward beneath guide 42 said bobbin is adjusted somewhat as to lateral position by the flaring walls of said guide acting against the periphery of the bobbin head H and said head acts to swing upward the free end of said guide to the position shown in Fig. 3. The continued forward movement of the bobbin causes its head- H to engage the guard tongue 64, as in Fig. 3, and to swing said tongue and its guard plate 63 past the position shown in Fig. 8 ultimately to the position shown in Fig.4. As said tongue 64 is thus swung its guard plate 63 is brought between the point of the coil raising member 53 and the head of the bobbin, on which said plate 63 may rest as shown in Fig. 8, whereby such bobbin head is protected from injury from the point of said member 53. After the bobbin reaches the position shown in Fig. 4, the

member 53 may ride against the periphery of the bobbin and engage beneath thecoils C of roving or yarn, on the bobbin shaft, whereby said coils are raised from said bobbin shaft or ride up the inclined edge of said member 53 until said coils C are in position to be cut by one of the angular edges 55 of the cutter member 54 which edges 55, as stated above, have a sweeping or shearing action on said coils.

When the rear end of the bobbin approaches the member 53, said member, and its associated mechanism, is raised by the operation of levers 65, 68, as above stated.

After the rear end of the bobbin passes from beneath the guard finger 64 spring 61 acts to retractively rotate collar 60 to swing said finger 64 back to the position shown in Fig. 3.

The bobbins with or without the severed coils of roving are delivered by belt 13 adjacent pulley 16 for any further cleaning operation or for storage.

Having thus described our invention we claim as new and desire to secure by Letters Patent.

1. A bobbin stripping machine comprising means to feed forward bobbins having tail ends ofroving or yarn, a yarn severing element, and a frame carrying said element, said frame pivotally mounted to swing toward said feeding means and having means to ride against a bobbin to sustain said frame.

2. A bobbin stripping machine comprising means to feed forward bobbins having tail ends of roving or yarn, a frame pivotally mounted to swing relative to a bobbin thus fed forward, a yarn severing device carried by said frame, and means which takes under the coils of roving or yarn on said bob-bin and raises said coils into position to be severed by said device.

A bobbin stripping machine comprising means to feed forward bobbins having tail ends of roving or yarn, a frame pivotally mounted to swing relative to a bobbin thus fed forward, a yarn severing device carried by said frame, a -bobbin guide carried by said frame, means which takes under the coils of roving or yarn on said bobbin and raises said coils into position to be severed by said device, and means to protect the bobbin from said coil raising means.

4. A bobbin stripping machine comprising means to feed forward bobbins having tail ends of roving or yarn, a frame pivotally mounted to swing relative to a bobbin thus fed forward, a yarn severing device carried by said frame, a member fixed adjacent to said device and having means which takes under and raises the coils of roving or yarn on said bobbin, and a guard normally protecting said coil raising means and movable by the bobbin to clear said coil raising means.

'5. A bobbin stripping machine comprising means to feed forward bobbins having tail ends of roving or yarn, a frame pivotally mounted to swing relative to a bobbin thus fed forward, a rotary severing element carried by the free end of said frame, a device adapted to take under coils of roving or yarn on said bobbin and to raise said coils into position to be severed by said element, and a swinging guard having a member extending into the path of said bobbin.

6. A bobbin stripping machine comprising means to feed forward bobbins having tail ends of roving or yarn, a frame pivotally mounted to swing relative to a bobbin thus fed forward, a rotary severing element carried by the free end of said frame, a device adapted to take under coils of roving or yarn on said bobbin and to raisesaid coils into position to be severed by said element, a guard plate mounted to swing about the axis of said device and having an actuator finger, and a guide for directing a bobbin against said finger.

7. A bobbin stripping machine comprising means to feed forward bobbins having tail ends of roving or yarn, a frame pivotally mounted to swing relative to a bobbin thus fed forward, a spring pressed guide pivotally sustained at the rear portion of said frame, a transversely extending bearing at the free end of said frame, a shaft journaled in said bearing nd having a severing element, and means which takes under the coils of roving or yarn on said bobbin and raises said coils into position to be severed by said element.

8. A bobbin stripping machine comprising means to feed forward bobbins having.

tail ends of roving or yarn, a frame pivotally mounted to swing relative to a bobbin thus fed forward, a spring pressed guide pivotally sustained at the rear portion of said frame, a transversely extending bearing at the free end of said frame, a shaft journaled in said bearing and having a severing element, a pair of collars rotatable about the axis of said shaft, a guard plate connecting said collars and having an outwardly extending actuator finger, and means mounted adjacent said severing element, and normally guarded by said guard plate, which takes under the coils of roving or yarn on said bobbin and raises said coils into position to be severed by said element.

9. The combination with a runway, a belt supporting table adjustable vertically in Copies of this patent may be obtained for said runway, and a bobbin carrying belt ally mounted above said runway and having means to sever coils of roving or-yarn on bobbins carried by said belt.

10. The combination with a runway, a belt supporting table adjustable vertically in said runway, and a bobbin carrying belt operating over said table, of a frame pivotally mounted above said runway and having means to sever coils of roving or yarn. on bobbins carried by said belt, and means to take under and raise said coils of roving or yarn to position to be severed.

11. The combination with a runway, a belt supporting table adjustable vertically in said runway, and a bobbin carrying belt operating over said table, of a frame pivotally mounted above said runway and having means to sever coils of roving or yarn on bobbins carried by said belt, means to take under and raise said coils of roving or yarn to position to be severed, and means to be actuated by said bobbin to raise the free end of said frame.

12. In a bobbin stripping machine the combination with means to feed forward bobbins having coils of roving or yarn, of a rotary severing device having a series of tangential cutting edges, and means which takes under and raises said coils of roving or yarn to position to be severed.

13. In a bobbin stripping machine the combination with means to feed forward bobbins having coils of roving or yarn, of a rotary severing device having hexagonal cutting edges, and means which takes under and raises said coils of roving or yarn to position to be severed.

14. The combination with a runway, a belt supporting table adjustable vertically in said runway, and a bobbin carrying belt operating over said table, of a frame pivotally mounted above said runway, yielding means to resist the upward swinging of said frame, a rotary cutter carried by said frame, means to raise the coils of roving or yarn on a bobbin passing said frame to a' position to be severed by said cutter, means to guard a bobbin from said coil raising means, and a lever mechanism having a member positioned in said runway to be acted upon by a bobbin to effect the lifting of the free end of said frame.

JOHN D. SHARPLES. THOMAS GROWE.

five cents each, by addressing the Commissioner of Patents, Washington, D. G. 

